National Item Identification Number
00-095-3599
National Stock Number
Item Name
SCREW,EXTERNALLY RELIEVED BODY
Federal Supply Class
5305
Description
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.
Commercial and Government Entity Code (Supplier Data)
14153
00198
77445
Reference Numbers (Part Numbers)
QAP00428
31576
31576
Required Categories
THREAD CLASS
THREAD LENGTH
FASTENER LENGTH
HEAD STYLE
HEAD DIAMETER
HEAD HE
Required Description
3A
0.625 INCHES NOMINAL
1.374 INCHES NOMINAL
C49 FLAT CHAMFER
0.493 INCHES N